Intake Manifold Gasket 11617528340 For BMW Engine Parts

Intake Manifold Gasket 11617528340 - OEM Engine Parts Specification

1. Product Overview

• Part Number: 11617528340

• OEM Replacement: Genuine BMW factory part

• Application: Seals between intake manifold and cylinder head

• Compatible Systems: N52/N54/N55 engines (naturally aspirated & turbocharged)

• Key Features:

  • Prevents vacuum leaks and air/fuel mixture contamination

  • Maintains optimal intake air temperature

  • Critical for proper MAP/MAF sensor readings

2. Technical Advantages

3. Manufacturing Process

1. Material Prep: 304 stainless steel sheets + high-temp silicone

2. Laser Cutting: CNC-controlled for perfect bolt hole alignment

3. Layer Bonding: 3-5 steel layers vulcanized under 25-ton pressure

4. QC Checks:

   • Helium leak test (≤0.01 cc/min)

   • 100% dimensional verification with CMM

4. Installation Guide

Tools Required: Torque wrench (10-60Nm range), gasket scraper, Loctite 574
Procedure:

1. Clean mating surfaces to RA ≤ 3.2 μm roughness

2. Apply sealant only at corners (BMW TIS specifies 2mm beads)

3. Torque sequence:

   • Step 1: 10Nm (7.4 lb-ft)

   • Step 2: 25Nm (18.4 lb-ft)

   • Final: 60° angular torque

4. Run engine to 90°C and retorque after 500km

5. Vehicle Compatibility Table

Disclaimer: Always verify fitment via RealOEM.com using last 7 digits of VIN.